The brush cutter is a kind of garden machinery and also belongs to small agricultural machinery. It is used for forest clearing, young forest tending, secondary forest transformation and forest tending and cutting, such as cutting shrubs, weeds, pruning, cutting small diameter wood, cutting bamboo and so on. There are some replaceable attachments or equipment on the brush cutter, which can also be used to harvest crops such as rice and wheat, as well as pumping, drilling and drilling, and spraying pesticides. The development of brush cutters is closely related to the development of small power machinery.